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“Toshiba has developed low-power multi-hop wireless network technology that can operate on battery power for over 10 years and can collect over 99.999% of data from sensors deployed over a wide area through wireless relaying. This technology makes it possible to monitor, with low maintenance costs, natural environments where there is a risk of disaster, as well as buildings, bridges, tunnels, and other aging structures. The details of this technology will be presented on 23 September 2016 at the IEICE Society Conference to be held at Hokkaido University. In recent years, aging of public infrastructure and natural disasters have become growing problems. Attention has therefore turned to sensor networks in which sensors and communication devices are fitted to target objects and data collection and monitoring are performed via a network with the aim of reducing casualties due to accidents and disasters. However, the communication devices need to be installed in locations with rugged natural environments and poor accessibility, creating the problems of difficult installation and maintenance during operation. A further problem is that monitoring over a wide area requires considerable effort.”

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